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Finding the Fourth Proportional to 5,451,027.70, 8,158,826.85 and 5,451,027.70

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Solution

The fourth proportional to 5,451,027.70, 8,158,826.85 and 5,451,027.70 is: 8,158,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,027.70 : 8,158,826.85 = 5,451,027.70 : x
  2. Step 2: Convert to fraction form
    5,451,027.70/8,158,826.85 = 5,451,027.70/x
  3. Step 3: Cross multiply
    5,451,027.70x = 8,158,826.85 × 5,451,027.70
  4. Step 4: Simplify right side
    5,451,027.70x = 44,473,991,158,853.74
  5. Step 5: Solve for x
    x = 44,473,991,158,853.74/5,451,027.70
  6. Step 6: Final answer
    x = 8,158,826.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.